4、velopment issuesthatneedtobe further improved.Keywords:electroniccommerce; development of logistics;....页脚.....页眉目录1前言……………………………………………………………………………11.1研究背景与现状…………………………………………………………11.2研究目的与意义………………………………………………………12研究对象与方法………………………………………………………………22.1研究对象……………………………………